Category: Technical Reports

ABSTRACT Numerical superiority claims such as “2 out of 3” or “4 out of 5 people prefer…” are powerful and commonly used to promote products. The National Advertising Division (NAD®) is the advertising industry’s self-regulatory body that adjudicates advertising claims…

ABSTRACT A revolution is happening in business worldwide as companies increasingly leverage computational and algorithmic power to solve problems that previously might never have even been considered. For example, who would have expected ten years ago that large numbers of…

ABSTRACT Traditional preference testing is expensive with more than two products because of the large number of comparisons that require evaluation. Applicability scoring was originally used in product testing partly to develop an alternative method for deriving an analog preference…

ABSTRACT Sensory difference testing is a business relevant topic, as evidenced by its use in cost reductions, ingredient and process changes, compliance with health initiatives, and quality control. In recent years there has been an increasing emphasis on measuring the…

ABSTRACT Why do consumers of products or services like them and/or purchase them? This is a classic, complex question with numerous methods to address it and with answers that depend on the specific application. In previous publications we have emphasized…

ABSTRACT In blind consumer preference testing, con-sumers do not always make consistent choices. This situa-tion will most likely occur when the products tested are similar or exhibit significant variability. The variability may arise from the products themselves, called stimulus variability,…

ABSTRACT In previous technical reports, we have separately considered the topic of efficient searches for compatible combinations from large numbers of possibilities and the topic of modern techniques for approaching large TURF problems using the eTURF 2.0 technique. These two…

ABSTRACT The ASTM Standard Guide for Sensory Claim Substantiation specifies the criteria for superiority, equivalence, and unsurpassed claims. A summary of these types of claims is outlined in Figure 1. Figure 1. Types of advertising claims. Equivalence claims are based…

ABSTRACT There are certain universally accepted tenets that support the continued adoption of sensory evaluation methods. One of these strongly held beliefs is that a person cannot have a preference between two perceptually identical products. This idea justifies the existence…

ABSTRACT Category appraisals are primarily conducted to gain insight into the variables that drive consumer liking but also to understand the relative positions of key products in the drivers of liking space. These appraisals are often quite expensive to field…

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